632
UXUS97 KBOI 211305
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
705 AM MDT WEDNESDAY, OCTOBER 21, 2026
THIS FORECAST IS FOR WEDNESDAY, OCTOBER 21, 2026:
IF THE TRIGGER TEMPERATURE OF 71.4 F/21.9 C IS REACHED...THEN
THERMAL SOARING INDEX....................... EXCELLENT
MAXIMUM RATE OF LIFT........................ 1109 FT/MIN (5.6 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 13715 FT MSL (10748 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 78.0 F/26.0 C
TIME OF TRIGGER TEMPERATURE.................... 1245 MDT
TIME OF OVERDEVELOPMENT........................ NONE
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... NONE
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS
HEIGHT OF THE -3 THERMAL INDEX................. 7409 FT MSL (4442 FT AGL)
THERMAL SOARING OUTLOOK FOR THURSDAY 10/22..... EXCELLENT
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 08:06:51 / 18:51:55 MDT
TOTAL POSSIBLE SUNSHINE........... 10 HR 45 MIN 4 SEC (645 MIN 4 SEC)
ALTITUDE OF SUN AT 13:29:23 MDT... 35.13 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 10/21/2026 AT 0600 MDT
FREEZING LEVEL.................. 11238 FT MSL (8271 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 11259 FT MSL (8292 FT AGL)
LIFTED CONDENSATION LEVEL....... 11684 FT MSL (8718 FT AGL)
LIFTED INDEX.................... -3.0
K INDEX......................... +30.1
HEIGHT TEMPERATURE WIND WIND SPD LAPSE RATE CONVECTIONT THERMAL LIFT RATE
FT MSL DEG C DEG F DIR KT M/S C/KM F/KFT DEG C DEG F INDEX FPM M/S
--------------------------------------------------------------------------------
40000 -52.9 -63.2 205 60 31 1.2 0.7 M M M M M
38000 -51.4 -60.5 205 56 29 2.6 1.4 M M M M M
36000 -49.9 -57.8 205 49 25 2.6 1.4 M M M M M
34000 -47.8 -54.0 200 43 22 5.1 2.8 M M M M M
32000 -44.7 -48.5 195 38 20 5.1 2.8 M M M M M
30000 -41.3 -42.3 190 35 18 6.9 3.8 41.7 107.1 11.9 M M
28000 -37.1 -34.8 190 32 16 6.9 3.8 39.4 103.0 10.5 M M
26000 -32.9 -27.2 190 28 15 7.3 4.0 37.4 99.3 9.1 M M
24000 -28.0 -18.4 185 24 12 7.3 4.0 35.4 95.7 7.8 M M
22000 -23.6 -10.5 185 23 12 7.4 4.1 33.6 92.5 6.4 M M
20000 -19.1 -2.4 190 20 10 7.8 4.3 32.1 89.7 5.2 M M
18000 -14.7 5.5 190 16 8 6.7 3.7 30.4 86.8 3.8 M M
16000 -10.8 12.6 190 14 7 6.7 3.7 28.3 83.0 2.0 M M
14000 -6.7 19.9 185 13 7 7.4 4.1 26.4 79.6 0.2 M M
12000 -2.2 28.0 175 14 7 8.6 4.7 25.1 77.2 -1.0 744 3.8
10000 3.0 37.4 165 16 8 9.1 5.0 24.5 76.1 -1.8 530 2.7
9000 5.7 42.3 165 16 8 8.7 4.8 24.3 75.8 -2.0 420 2.1
8000 8.9 48.0 160 16 8 10.0 5.5 23.9 75.1 -2.4 286 1.5
7500 9.8 49.6 155 15 8 3.6 1.9 23.3 74.0 -3.0 245 1.2
7000 10.7 51.3 150 15 8 5.7 3.1 22.8 73.0 -3.6 204 1.0
6500 11.6 52.9 145 16 8 6.7 3.7 22.3 72.1 -4.1 160 0.8
6000 12.4 54.3 145 17 9 6.0 3.3 21.7 71.0 -4.8 121 0.6
5500 13.4 56.1 140 17 9 6.4 3.5 21.2 70.1 -5.4 79 0.4
5000 14.3 57.7 140 16 8 5.4 2.9 20.6 69.2 -5.9 37 0.2
4750 14.5 58.1 140 16 8 2.5 1.4 20.2 68.3 -6.4 22 0.1
4500 14.6 58.3 140 14 7 0.5 0.3 19.6 67.2 -7.1 11 0.1
4250 14.6 58.3 140 11 6 -1.3 -0.7 18.8 65.8 -7.8 5 0.0
4000 14.4 57.9 135 10 5 -4.1 -2.3 17.9 64.1 -8.8 3 0.0
3750 14.2 57.6 130 8 4 -0.4 -0.2 16.9 62.3 -9.7 2 0.0
3500 14.2 57.6 115 6 3 -5.6 -3.1 16.1 61.0 -10.5 M M
3400 14.2 57.6 115 6 3 -5.6 -3.1 16.1 61.0 -10.5 M M
3300 12.9 55.2 095 4 2 -30.8 -16.9 14.3 57.7 -12.3 26 0.1
3200 12.9 55.2 095 4 2 -30.8 -16.9 14.3 57.7 -12.3 26 0.1
3100 12.9 55.2 095 4 2 -30.8 -16.9 14.3 57.7 -12.3 26 0.1
3000 10.7 51.3 080 4 2 -16.9 -9.3 11.6 52.9 -14.9 86 0.4
2900 M M M M M M M M M M M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
10/21/2026 AT 0900 MDT | 10/21/2026 AT 1200 MDT
|
CAPE... +0.1 LI... -1.8 | CAPE... +41.0 LI... -0.8
CINH... -3.0 K INDEX... +30.8 | CINH... -43.4 K INDEX... +27.7
|
HEIGHT TEMPERATURE WND WNDSPD LAPSE RATE | TEMPERATURE WND WNDSPD LAPSE RATE
FT MSL DEG C DEG F DIR KT M/S C/KM F/KFT | DEG C DEG F DIR KT M/S C/KM F/KFT
--------------------------------------------------------------------------------
40000 -53.8 -64.8 205 66 34 0.2 0.1 | -55.3 -67.5 210 69 36 -0.4 -0.2
38000 -52.6 -62.7 210 69 36 2.6 1.4 | -53.9 -65.0 210 71 37 3.0 1.6
36000 -51.0 -59.8 220 72 37 2.6 1.4 | -52.1 -61.8 215 73 38 3.0 1.6
34000 -48.6 -55.5 225 71 37 6.6 3.6 | -49.2 -56.6 220 74 38 7.3 4.0
32000 -44.6 -48.3 225 63 32 6.6 3.6 | -44.9 -48.8 220 71 37 7.2 4.0
30000 -40.7 -41.3 220 53 27 6.6 3.6 | -40.5 -40.9 220 65 33 7.3 4.0
28000 -36.7 -34.1 215 44 23 6.6 3.6 | -36.1 -33.0 225 53 27 7.3 4.0
26000 -32.4 -26.3 210 37 19 7.5 4.1 | -31.7 -25.1 220 44 23 7.5 4.1
24000 -27.4 -17.3 205 30 16 6.5 3.6 | -26.6 -15.9 220 37 19 7.6 4.2
22000 -23.4 -10.1 205 26 13 6.7 3.6 | -22.1 -7.8 220 31 16 7.6 4.1
20000 -19.2 -2.6 200 24 12 7.3 4.0 | -17.8 -0.0 220 27 14 7.1 3.9
18000 -14.9 5.2 200 22 11 7.4 4.0 | -13.8 7.2 215 24 12 6.5 3.6
16000 -10.6 12.9 195 20 10 7.6 4.2 | -10.0 14.0 205 21 11 6.7 3.7
14000 -6.3 20.7 195 17 9 7.2 3.9 | -6.2 20.8 195 17 9 7.8 4.3
12000 -2.2 28.0 190 16 8 7.8 4.3 | -1.8 28.8 180 16 8 8.0 4.4
10000 2.5 36.5 180 14 7 8.3 4.5 | 2.8 37.0 175 15 8 8.5 4.7
9000 5.0 41.0 175 13 7 8.2 4.5 | 5.3 41.5 170 14 7 8.4 4.6
8000 8.0 46.4 165 14 7 8.7 4.8 | 8.4 47.1 165 12 6 9.0 4.9
7500 9.1 48.4 160 14 7 5.9 3.3 | 9.4 48.9 160 13 7 5.6 3.0
7000 10.1 50.2 155 15 8 7.3 4.0 | 10.4 50.7 155 14 7 7.2 3.9
6500 10.9 51.6 150 17 9 5.5 3.0 | 11.2 52.2 150 15 8 5.5 3.0
6000 11.9 53.4 145 18 9 6.7 3.7 | 12.2 54.0 145 16 8 6.1 3.3
5500 12.8 55.0 140 18 9 6.6 3.6 | 13.0 55.4 140 16 8 6.4 3.5
5000 13.8 56.8 135 16 8 6.9 3.8 | 14.0 57.2 140 12 6 3.3 1.8
4750 14.3 57.7 135 15 8 4.2 2.3 | 14.1 57.4 145 10 5 2.4 1.3
4500 14.5 58.1 135 13 7 0.9 0.5 | 14.4 57.9 150 9 5 5.5 3.0
4250 14.4 57.9 135 11 6 -2.7 -1.5 | 14.8 58.6 150 8 4 7.0 3.8
4000 14.1 57.4 130 9 5 -7.1 -3.9 | 15.4 59.7 155 7 4 8.0 4.4
3750 13.6 56.5 125 7 4 -3.2 -1.8 | 16.0 60.8 165 6 3 8.8 4.8
3500 13.4 56.1 110 5 3 -6.5 -3.6 | 16.8 62.2 160 6 3 11.8 6.5
3400 13.4 56.1 110 5 3 -6.5 -3.6 | 16.8 62.2 160 6 3 11.8 6.5
3300 12.3 54.1 085 4 2 -25.2 -13.8 | 17.7 63.9 160 6 3 14.0 7.7
3200 12.3 54.1 085 4 2 -25.2 -13.8 | 17.7 63.9 160 6 3 14.0 7.7
3100 12.3 54.1 085 4 2 -25.2 -13.8 | 17.7 63.9 160 6 3 14.0 7.7
3000 10.7 51.3 055 3 2 -6.0 -3.3 | 18.8 65.8 165 6 3 13.4 7.3
2900 M M M M M M M | M M M M M M M
10/21/2026 AT 1500 MDT | 10/21/2026 AT 1800 MDT
|
CAPE... +279.5 LI... -1.2 | CAPE... +118.8 LI... -0.7
CINH... -16.4 K INDEX... +24.6 | CINH... -30.0 K INDEX... +26.6
|
HEIGHT TEMPERATURE WND WNDSPD LAPSE RATE | TEMPERATURE WND WNDSPD LAPSE RATE
FT MSL DEG C DEG F DIR KT M/S C/KM F/KFT | DEG C DEG F DIR KT M/S C/KM F/KFT
--------------------------------------------------------------------------------
40000 -56.2 -69.2 205 82 42 0.4 0.2 | -56.7 -70.1 205 85 43 -0.6 -0.3
38000 -54.7 -66.5 205 80 41 2.9 1.6 | -55.6 -68.1 205 81 42 3.0 1.7
36000 -52.9 -63.2 210 74 38 2.9 1.6 | -53.6 -64.5 205 70 36 3.0 1.7
34000 -50.0 -58.0 210 68 35 7.8 4.3 | -50.5 -58.9 205 63 32 7.9 4.3
32000 -45.3 -49.5 210 63 32 7.7 4.2 | -45.8 -50.4 205 57 30 7.9 4.3
30000 -40.7 -41.3 210 56 29 7.5 4.1 | -41.0 -41.8 205 51 26 8.0 4.4
28000 -36.3 -33.3 210 46 24 7.5 4.1 | -36.2 -33.2 205 43 22 8.0 4.4
26000 -31.7 -25.1 215 38 20 7.8 4.3 | -31.5 -24.7 205 35 18 8.0 4.4
24000 -27.0 -16.6 220 31 16 8.4 4.6 | -26.7 -16.1 205 26 13 8.2 4.5
22000 -21.2 -6.2 220 26 14 8.5 4.6 | -21.1 -6.0 210 19 10 8.2 4.5
20000 -16.9 1.6 220 23 12 7.0 3.8 | -16.8 1.8 210 15 8 7.1 3.9
18000 -12.8 9.0 215 20 10 6.9 3.8 | -12.8 9.0 195 13 7 6.4 3.5
16000 -8.7 16.3 210 18 9 6.4 3.5 | -8.9 16.0 185 13 7 6.9 3.8
14000 -5.1 22.8 200 16 8 6.5 3.6 | -5.0 23.0 180 15 8 7.1 3.9
12000 -1.2 29.8 185 15 8 7.3 4.0 | -0.7 30.7 175 16 8 7.7 4.2
10000 3.3 37.9 170 14 7 8.2 4.5 | 3.9 39.0 160 14 7 8.3 4.6
9000 5.7 42.3 165 13 7 8.8 4.8 | 6.4 43.5 150 13 7 8.8 4.9
8000 9.0 48.2 155 12 6 9.6 5.3 | 9.8 49.6 140 12 6 10.1 5.6
7500 10.2 50.4 155 11 6 7.0 3.8 | 10.9 51.6 140 11 6 6.6 3.6
7000 11.3 52.3 150 10 5 7.6 4.2 | 12.1 53.8 140 10 5 8.1 4.4
6500 12.6 54.7 150 10 5 8.9 4.9 | 13.4 56.1 140 9 5 9.6 5.3
6000 13.7 56.7 150 9 5 7.8 4.3 | 14.8 58.6 140 8 4 9.5 5.2
5500 15.0 59.0 150 9 5 9.7 5.3 | 16.2 61.2 145 7 4 9.5 5.2
5000 16.4 61.5 155 8 4 9.6 5.3 | 17.6 63.7 150 6 3 9.4 5.2
4750 17.1 62.8 155 8 4 9.6 5.3 | 18.3 64.9 155 6 3 9.2 5.1
4500 17.8 64.0 155 8 4 9.6 5.3 | 18.9 66.0 155 5 3 8.9 4.9
4250 18.5 65.3 155 7 4 9.8 5.4 | 19.6 67.3 155 5 2 9.1 5.0
4000 19.3 66.7 160 7 4 10.6 5.8 | 20.3 68.5 160 4 2 9.9 5.4
3750 20.0 68.0 160 7 4 9.6 5.3 | 21.0 69.8 165 4 2 9.2 5.0
3500 20.7 69.3 160 7 3 10.1 5.5 | 21.6 70.9 165 4 2 7.0 3.8
3400 20.7 69.3 160 7 3 10.1 5.5 | 21.6 70.9 165 4 2 7.0 3.8
3300 21.7 71.1 160 6 3 15.9 8.7 | 22.0 71.6 165 3 1 4.2 2.3
3200 21.7 71.1 160 6 3 15.9 8.7 | 22.0 71.6 165 3 1 4.2 2.3
3100 21.7 71.1 160 6 3 15.9 8.7 | 22.0 71.6 165 3 1 4.2 2.3
3000 22.9 73.2 160 7 3 16.1 8.8 | 22.1 71.8 175 3 2 -5.6 -3.1
2900 M M M M M M M | M M M M M M M
________________________________________________________________________________
THIS PRODUCT IS ISSUED TWICE PER DAY, ONCE BY APPROXIMATELY 0630 MST/0730 MDT
(1330 UTC) AND AGAIN BY APPROXIMATELY 1830 MST/1930 MDT (0130 UTC). IT IS NOT
CONTINUOUSLY MONITORED NOR UPDATED AFTER ITS INITIAL ISSUANCE.
THE INFORMATION CONTAINED HEREIN IS BASED ON RAWINSONDE OBSERVATION AND/OR
NUMERICAL WEATHER PREDICTION MODEL DATA TAKEN AT THE BOISE AIRPORT SITE IN
BOISE, IDAHO AT
LATITUDE: 43.56774
LONGITUDE: -116.21089
ELEVATION: 2867 FEET (874 METERS)
AND MAY NOT BE REPRESENTATIVE OF OTHER AREAS IN EASTERN OREGON OR SOUTHWEST
IDAHO. NOTE THAT SOME ELEVATIONS IN NUMERICAL WEATHER PREDICTION MODELS DIFFER
FROM ACTUAL STATION ELEVATIONS, WHICH CAN LEAD TO DATA WHICH APPEAR TO BE BELOW
GROUND. ERRONEOUS DATA SUCH AS THESE SHOULD NOT BE USED.
THE CONTENT AND FORMAT OF THIS REPORT AS WELL AS THE ISSUANCE TIMES ARE SUBJECT
TO CHANGE WITHOUT PRIOR NOTICE.
082025
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